Home / 313,974.80-470,960.04-103,629.68

Finding the Fourth Proportional to 313,974.80, 470,960.04 and 103,629.68

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Solution

The fourth proportional to 313,974.80, 470,960.04 and 103,629.68 is: 155,443.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,974.80 : 470,960.04 = 103,629.68 : x
  2. Step 2: Convert to fraction form
    313,974.80/470,960.04 = 103,629.68/x
  3. Step 3: Cross multiply
    313,974.80x = 470,960.04 × 103,629.68
  4. Step 4: Simplify right side
    313,974.80x = 48,805,438,237.99
  5. Step 5: Solve for x
    x = 48,805,438,237.99/313,974.80
  6. Step 6: Final answer
    x = 155,443.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.